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44 Cards in this Set
- Front
- Back
Animals with NO TRUE tissues
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Parazoa
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Animals with TRUE tissues
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Eumetazoa
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Body plan in which similar parts are arranged around a center.
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Radially Symmetrical
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Body plan having two complementary halves
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Bilateral Symmetry
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Skeletal structure of sponges composed of calcium carbonate or silica.
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Spicules
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Skeletal structure of sponges composed of protein
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Spongin
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Flagellated cells (Collar Cells) of poriferans, move water.
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Choanocytes
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Sessile Cnidarian body form
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Polyp
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Mobile, reproductive cnidarian body form.
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Medusa
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Stinging cells of cnidarians, contain nematocyst. (Organelle-coiled thread)
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Cnidocyte
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Sticky cells on tentacles of Ctenophores, for prey or capture.
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Colloblast
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Porifera, Cnidaria and Ctenophora are commonly
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Invertebrates
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Classes of Porifera (3):
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Calcarea, Demospongiae and Hexactinellida
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Phylum Porifera are the only animals to:
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Lack tissues (Parazoans)
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Poriferans reproduce:
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Sexually- Produce Gametes
Asexually- Budding |
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Poriferans are _____ feeders and undergo a _____ stage.
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Filter; larval
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Poriferans have ______ for water circulation and feeding.
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Choanocytes
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The large opening in Poriferans is called the:
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Osculum
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Small channels created by porocytes are:
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Ostia
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The outer layer of Poriferans are composed of:
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Pinocytes
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Amoebocytes in Poriferans are responsible for:
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Secretion of spongin and spicules
Digesting food particles Distribute nutrients Produce gametes |
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Class Calcarea:
What phylum? Contain what fibers? What organism? |
Porifera
Spongin and Spicules Grantia |
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What is the name of the most common sponge?
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Demospongiae
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Small group of freshwater sponges belonging to Demospongiae:
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Spongilla
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Break down old coral and mollusk shells.
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Boring sponge
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The boring sponge is important ecologically because:
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Important for recycling calcium carbonate in these shells
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The bath sponge belongs to which class?
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Demospongiae
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Which sponge has the most obvious osculum?
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The barrel sponge
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Six-Pointed Spicule glass sponge:
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Hexactineliida
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Phylum Cnidaria Classes: (4)
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Hyrazoa
Cubuzoa Scyphozoan Anthozoa |
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Class Hydrozoa:
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Obelia and Physalia
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Obelia Colony produce _____. Reproduction and the resulting ____ produced eventually settle to the bottom and produce a new _____.
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Gametes; Larvae; Colony
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Man-O-War is a colony of differentiated _____.
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Polyps
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Physalia has feeding tentacles with _____ and separate _______ polyps.
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Potent venom; reproductive
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Class Cubozoa:
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Sea Wasps and Box Jelly
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Class Scyphozoan:
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True Jellies, cannonball jelly, Moon Jelly.
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Stomolophus: Cannonball jelly's sting is
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undetectable by humans
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Which jellyfish:
1. Lack long stinging tentacles 2. trap prey on mucus 3. Has 4 stomach pouches in gastrovascular cavity. 4. Edible |
Aurelia; Moon Jellyfish
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Class Anthozoa:
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Sea Anemone
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Aboral side is sitting up and oral side is surrounded by tentacles facing upwards:
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Sea Anemone
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Phylum Ctenophora:
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Comb Jellies
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Comb Jellies have _ tissue layers, and are ______ symmetrical. Reproduce ______. And appear to be ________
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2, radially, sexually, bioluminescent
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What cells help comb jellies capture prey?
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Colloblast
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Comb Row for Comb jellies consist of:
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8 longitudinal rows of fused silica plates with cilia.
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